Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 021939
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
339 PM AST TUE SEP 02 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
VALID TODAY AS OF 0300 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 91 12:49 PM 95 2023 89 2 90
MINIMUM 79 6:32 AM 72 1962 78 1 80
AVERAGE 85 84 1 85
PRECIPITATION (IN)
TODAY T 3.45 1931 0.23 -0.23 0.33
MONTH TO DATE 0.01 0.47 -0.46 0.37
SINCE SEP 1 0.01 0.47 -0.46 0.37
SINCE JAN 1 43.63 36.41 7.22 50.58
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 18 2 20
MONTH TO DATE 39 36 3 40
SINCE SEP 1 39 36 3 40
SINCE JAN 1 4084 3847 237 4491
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 59
AVERAGE 72
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1995
2023
2024
MINIMUM TEMPERATURE (F) 78 71 1962
SUNRISE AND SUNSET
SEPTEMBER 2 2025.....SUNRISE 6:10 AM AST SUNSET 6:37 PM AST
SEPTEMBER 3 2025.....SUNRISE 6:10 AM AST SUNSET 6:36 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$